/Engine/Source/Runtime/Engine/Classes/Engine/Blueprint.h
Gets an array of all BPGCs used to generate this class and its parents. 0th elements is the BPGC used to generate InClass
true if there were no status errors in any of the parent blueprints, otherwise false
static bool GetBlueprintHierarchyFromClass ( const [UClass](API\Runtime\CoreUObject\UObject\UClass) * InClass, [TArray](API\Runtime\Core\Containers\TArray)< [UBlueprintGeneratedClass](API\Runtime\Engine\Engine\UBlueprintGeneratedClass) * > & OutBlueprintParents )